<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
	</head>
	<body>
		
		<div id="app">
			{{message}}<br />
			<h1>v-bind指令</h1>
			<h2>绑定到src属性</h2>
			<img scr="yes.png" alt=""/>
			<img v-bind:src="imgSrc" alt="" v-on:click="change" />
			<img :src="imgSrc" alt="" v-on:click="change"/>
			<a v-bind:[attributename]="url">链接</a>
		</div>
		
		<script>
			
			var app = Vue.createApp({
				data(){
					return{
						message:"Hello Vue!",
						"attributename":'href',
						url:'http://www.baidu.com',
						imgSrc:'./yes.png',
						fileName:'no.png',
						formObj:{
							method:"post",
							action: "#"
						}
					}
				},
				methods:{
					change:function()
					{
						if (this.imgSrc=="./yes.png")
						{
							this.imgSrc="./no.png"
						}
						else
						{
							this.imgSrc="./yes.png"
						}
					}
				}
			});
			
			var vm = app.mount("#app");
			
		</script>
		
	</body>
</html>